Axle for pit-cars.



PATBNTED NOV. 19. 1907,

J. E. SMITH.

AXLE FOR PIT CARS.

APPLIOATION FILED MAY 17, 1901.

[V1 T/VESSES *1 4 794M5 2;

1n; mas-ms PETERS cu., \YASHINBYON. n. c.

UNITED STATES PATENT onnron.

JOHN ELSWORTH SMITH, OF ELIZABETH, PENNSYLVANIA.

AXLE FOR PIT-CARS.

' No. 871,149. Specification of Letters Patent. Patented Nov. 19, 1907.

' Application filed May 17. 1907. Serial No. 374.205.

To all whom itmay concern: I an opening to receive a split key 6 em- Be it known that 1, JOHN ELswon'rn l ployed for retaining the washer upon the end SMITH, a citizen of the United States of of the axle. America, residing at Elizabeth, in the county Since the axle of a pit car is stationary, of Allegheny and State of Pennsylvania, and the ends of the same are oval, it will be have invented certain new and useful Imimpossible for the washers 5 mounted upon rovements in Axles for Pit-Cars, of which the ends of the axle to rotate, and it will be the following is a specification, reference beequally impossible for such washers to being had thereinto the accompanying drawcome detached from the axle, owing to the ing. fact that the keys 6' are employed for re- This invention relates to improvements in taining the same thereon. axles for pit cars, and the invention has for In retaining the washers stationary, 1 preits object the provision of positive and revent such washers from rotating and becomliable means for preventing a washer upon ing worn, and rendered useless for the purthe axle from rotating by frictional engagepose for which they are employed. ment with the hub of a wheel journaled I do not care to confine myself particuupon said axle. larly to pit cars, as the axles of numerous Briefly described, my invention consists vehicles can be constructed in accordance in providing an axle with oval ends, and with my invention to increase the longevity providing a washer with oval openings of washers employed for retaining wheels whereby said washers can be fitted upon the upon axles. ends of the axle. Keys are then employed Having fully described my invention, what for retaining the washers upon the oval ends I claim and desire to secure by Letters Patof the axle, whereby said washers cannot be ent, is rotated or become disengaged from the axle. 1. In combination, an axle having a pair The detail construction entering into my of cylindrical spindles each of which termiinvention will be hereinafter more fully denates in a reduced oval shaped end, each of scribed, and then specifically pointed out in said oval shaped ends having an uninterthe appended claims. rupted periphery, and rectangular washers Reference will now be had to the drawing having oval shaped openings, said washers forming a part of this specification, wherein fitted upon the reduced ends of the spindles like numerals of reference designate correand adapted to engagethe hubs of the wheels spending parts throughout the several views, when mounted upon the spindles. in which: 2. In combination, an axle having cylin- Figure l is an end view of an axle, condrical s indles each of which terminates in a structed in accordance with my invention, reducec oval-shaped end, each of said ends illustrating a wheel journaled upon the ends having a vertically-extending opening, the of the axle, Fig. 2 is a perspective view of a periphery of each of said ends being smooth washer used in connection with the axle, and uninterrupted throughout, rectangular Fi 3 is an end view of the axle proper, Fig. washers having oval shaped openings, said 4 is an elevation of an axle constructed in l washers fitted upon the oval-shaped ends of accordance with my invention, illustrating said spindles and adapted to engage the hubs a wheel journaled thereon, Fig. 5 is an elevaof the wheels when mounted upon the spintion of one end of the axle. dles, and cotter pins extending through the In the accompanying drawings, 1 indiopenings in the oval-shaped ends for maincates an axle provided with a cylindrical taining the washers upon said ends.

s indle 2, terminating in an oval end 3. Upon In testimony whereof I ailix my signature the cylindrical spindle 2 of the axle is mountin the presence of two witnesses.

ed a conventional form of wheel 4, said wheel bein held thereon by a washer 5, hav- JOHN ELSNORTH SMITH ing an ova opening 6, whereby said washer \Vitnesses: can be fitted upon the oval end 8 of said axle. ROBERT MoCLURn,

The oval end 3 of the axle is provided with JAMES M. NEVIN. 

